Aimed at runners from sub-ega to marathon finishers, participants will be divided into 9 groups ranging from 4:00/km to 6:30/km and run 20 km around 4 laps of the Imperial Palace! Those who have registered for Saitama Marathon 2026 can participate at a special discount rate.
Outline of Implementation
Date & Time
Saturday, August 9, 7:30 to 10:15 a.m. (registration from 7:00 a.m.)
*The end time is approximate.
Reception Location
Rafine Running Style Otemachi One Store
B1F, 1-2-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
Location
Imperial Palace
Eligibility
Everyone is welcome to attend.
(Discounts are available for those who have registered for Saitama Marathon 2026)
Field size
Around 8 to 10 people per group (first-come, first-served)
entrance fee
1,000 yen including tax (payment at the time of application) [For those who have entered Saitama Marathon 2026]
1,500 yen including tax (payment at the time of application) [For those who have not entered Saitama Marathon 2026]
*A separate facility use fee of 1,000 yen will be charged.
Contents
Menu: 20km pace run
Pace times are set for each level.
| Time setting per 1,000m | Marathon target time guideline |
| 4 minutes 00 seconds | 2 hours 48 minutes |
| 4 minutes 15 seconds | 3 hours 00 minutes |
| 4 minutes 30 seconds | 3 hours 10 minutes |
| 4 minutes 45 seconds | 3 hours 20 minutes |
| 5 minutes 00 seconds | 3 hours and 30 minutes |
| 5 minutes 20 seconds | 3 hours 45 minutes |
| 5 minutes 40 seconds | 4 hours 00 minutes |
| 6 min 00 sec | 4 hours 15 minutes |
| 6 minutes 30 seconds | 4 hours 35 minutes – Finish the race |
*Please note that marathon races vary from person to person in terms of ability, so the time estimates are for reference only.
*The number of pieces and set times are subject to change due to weather conditions.
*All groups and pacers will be well supported.
Schedule
| 7:00～ | Reception at Raffine Running Style Otemachi One (to change clothes) |
| 7:30 | Roll call, opening, warm-up begins |
| 7:55～ | Menu start |
| 9:20 – 10:15 | Menu to be closed |
Notes
The event will be held rain or shine.
*In the event of cancellation or change of event content due to inclement weather (e.g., warnings due to typhoons or snowfall, public transportation disruption, etc.), we will post a notice on the Raffine Running Style website.
Please note that photos taken during the event may be posted on our website.
Please note that no refunds will be made in case of cancellation of the event or cancellation due to natural disasters.
Others
Parking is available and beverages are provided by the management.
Water will be provided by the organizers, but please prepare your own water supply as it is limited.
Application Period
Saturday, August 9, 2025 by 7:29 a.m.
How to apply
Apply on the Raffine Running Style website or via e-moshicom.
Saitama Marathon 2026 Entrants
For non-entrants…
